Sanitation
| Tue 03 Feb 2026
Beijing, Feb. 3 -- Huaneng Lancang River Hydropower has sought patent for Cleaning Device for Excitation Lead of Hydro-generator. This invention was developed by Yang Xiang, Yang Yongzhong, Cai Hongmeng, Li Dingli, Cai Yang, Yang Rongcheng, So Kazutaka, Zhang Yanfei, Luo Li, Wang Jianfei, An Zhen, Wang Wei, Song Hao, Chen Zhi, Y..